Abstract
Introduction: We employed daily transcranial Doppler (TCD) evaluation following subarachnoid hemorrhage (SAH) to assess the relative success of balloon angioplasty (BA) and papaverine infusion (PI) with respect to permanent reversal of proximal arterial vasospasm (VSP) associated with delayed ischemic deficits. Methods: In patients treated between 1989 and 1995, TCD blood velocities of the involved distal ICA or proximal MCA were assessed in relation to the day of treatment with BA and or PI. Immediate pre-treatment velocity was compared to the velocity at 24 and 48 hours post-treatment for each vessel using the one-tailed paired-samples T Test. Vessels treated simultaneously with BA and PI were excluded. Vessels treated successively with PI and BA, or with repeated BA or PI, were included in the original treatment cohort until the day of the subsequent treatment. Results: Overall, 211 vessels segments were treated in 83 patients; the present study concerns 102 vessel segments treated...
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